Because of a technical defect an American bomber team mistakenly orders the destruction of Moscow. The President of the United States has but little time to prevent an atomic catastrophe from occurring.

A packed cruise ship traveling the Atlantic is hit and overturned by a massive wave, compelling the passengers to begin a dramatic fight for their lives.

Four teenagers at a British private school secretly uncover and explore the depths of a sealed underground hole created decades ago as a possible bomb shelter.

Four young friends, while taking a shortcut en route to a local boxing match, witness a brutal murder which leaves them running for their lives.

Laura, 25, is an actress in a L.A.R.P. (Live Action Role Playing) Game, where the participants play the survivors of an atomic war who live underground in a sealed bunker. After several mysterious accidents, the game is interrupted and the players leave the bunker while the staff remain behind to investigate the disappearance of Greg, the mastermind of the game. They soon find themselves trapped inside and in peril as they begin to die in mysterious ways and the group realizes that someone or something paranormal is playing a twisted game with them which quickly plunges into a terrifying fight for survival.

As the world is overrun by zombies, scientists and military personnel in an underground Florida bunker must decide on how they should deal with the undead.

Trapped in a London subway station, a woman who's being pursued by a potential attacker heads into the unknown labyrinth of tunnels beneath the city's streets

A group of teenagers fear for their lives in the swamps of Louisiana, chased by Mr. Jangles, a man possessed by 13 evil souls, and now relentless in his pursuit of new victims.

A young woman fakes her own death in an attempt to escape her nightmarish marriage, but discovers it is impossible to elude her controlling husband.

In 1944, in the Belgian - German border, seven German soldiers survive an American attack in the front and lock themselves in a bunker to protect the position. Under siege by the enemy and with little ammunition, they decide to explore underground tunnels to seek supplies and find an escape route. While in the tunnel, weird things happen with the group.

A shady lawyer attempts a Christmas Eve crime, hoping to swindle the local mob out of some money. But his partner, a strip club owner, might have different plans for the cash.

In a seedy bar in a town ravaged by war, scientist and businessman Hunt hires mercenary and former Royal Marine D.C. to assemble a crack team of ex-soldiers to protect him on a dangerous journey into no-man's land. Their mission is to scope out an old military bunker in Eastern Europe. It should be easy – 48 hours at the most. Lots of cash for little risk. Or so he says...